To assess the effects of instructor and student gender on student course scores, an experiment was conducted in 11 sections of managerial accounting classes ranging in size from 25 to 66 students. The factors were instructor gender (M, F) and student gender (M, F). There were 11 instructors (7 male, 4 female). Steps were taken to eliminate subjectivity in grading, such as common exams and sharing exam grading responsibility among all instructors so no one instructor could influence exam grades unduly.
(a) What type of ANOVA is this?
(b) What conclusions can you draw?
(c) Discuss sample size and raise any questions you think may be important.

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Analysis of Variance for Students Course Scores Source of Variation Sum of Degrees of Mean Squares Freedom Square F Ratio p-Value Instructor gender () Student gender (S) Interaction (x S) Error 97.84 de 8.23 743.84 63,358.90 64,418.81 97.84 0.61 218.23 1.37 743.84 4.66 159.59 0.43 0.24 0.03 397 400 Total